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Differential D85740 Diff 287823 llvm/lib/Object/MachOUniversal.cpp

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llvm/lib/Object/MachOUniversal.cpp

//===- MachOUniversal.cpp - Mach-O universal binary -------------*- C++ -*-===// //===- MachOUniversal.cpp - Mach-O universal binary -------------*- C++ -*-===//
// //
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information. // See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// //
// This file defines the MachOUniversalBinary class. // This file defines the MachOUniversalBinary class.
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/Object/MachOUniversal.h" #include "llvm/Object/MachOUniversal.h"
#include "llvm/Object/Archive.h" #include "llvm/Object/Archive.h"
#include "llvm/Object/IRObjectFile.h"
#include "llvm/Object/MachO.h" #include "llvm/Object/MachO.h"
#include "llvm/Object/ObjectFile.h" #include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Casting.h" #include "llvm/Support/Casting.h"
#include "llvm/Support/Host.h" #include "llvm/Support/Host.h"
#include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/MemoryBuffer.h"
using namespace llvm; using namespace llvm;
using namespace object; using namespace object;
▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines if (Parent->getMagic() == MachO::FAT_MAGIC) {
ObjectData = ParentData.substr(Header64.offset, Header64.size); ObjectData = ParentData.substr(Header64.offset, Header64.size);
cputype = Header64.cputype; cputype = Header64.cputype;
} }
StringRef ObjectName = Parent->getFileName(); StringRef ObjectName = Parent->getFileName();
MemoryBufferRef ObjBuffer(ObjectData, ObjectName); MemoryBufferRef ObjBuffer(ObjectData, ObjectName);
return ObjectFile::createMachOObjectFile(ObjBuffer, cputype, Index); return ObjectFile::createMachOObjectFile(ObjBuffer, cputype, Index);
} }
Expected<std::unique_ptr<IRObjectFile>>
MachOUniversalBinary::ObjectForArch::getAsIRObject(LLVMContext &Ctx) const {
if (!Parent)
report_fatal_error("MachOUniversalBinary::ObjectForArch::getAsIRObject() "
"called when Parent is a nullptr");
StringRef ParentData = Parent->getData();
StringRef ObjectData;
if (Parent->getMagic() == MachO::FAT_MAGIC) {
ObjectData = ParentData.substr(Header.offset, Header.size);
} else { // Parent->getMagic() == MachO::FAT_MAGIC_64
ObjectData = ParentData.substr(Header64.offset, Header64.size);
}
StringRef ObjectName = Parent->getFileName();
MemoryBufferRef ObjBuffer(ObjectData, ObjectName);
return IRObjectFile::create(ObjBuffer, Ctx);
}
Expected<std::unique_ptr<Archive>> Expected<std::unique_ptr<Archive>>
MachOUniversalBinary::ObjectForArch::getAsArchive() const { MachOUniversalBinary::ObjectForArch::getAsArchive() const {
if (!Parent) if (!Parent)
report_fatal_error("MachOUniversalBinary::ObjectForArch::getAsArchive() " report_fatal_error("MachOUniversalBinary::ObjectForArch::getAsArchive() "
"called when Parent is a nullptr"); "called when Parent is a nullptr");
StringRef ParentData = Parent->getData(); StringRef ParentData = Parent->getData();
StringRef ObjectData; StringRef ObjectData;
▲ Show 20 Lines • Show All 138 Lines • ▼ Show 20 Lines
Expected<std::unique_ptr<MachOObjectFile>> Expected<std::unique_ptr<MachOObjectFile>>
MachOUniversalBinary::getMachOObjectForArch(StringRef ArchName) const { MachOUniversalBinary::getMachOObjectForArch(StringRef ArchName) const {
Expected<ObjectForArch> O = getObjectForArch(ArchName); Expected<ObjectForArch> O = getObjectForArch(ArchName);
if (!O) if (!O)
return O.takeError(); return O.takeError();
return O->getAsObjectFile(); return O->getAsObjectFile();
} }
Expected<std::unique_ptr<IRObjectFile>>
MachOUniversalBinary::getIRObjectForArch(StringRef ArchName,
LLVMContext &Ctx) const {
Expected<ObjectForArch> O = getObjectForArch(ArchName);
if (!O)
return O.takeError();
return O->getAsIRObject(Ctx);
}
Expected<std::unique_ptr<Archive>> Expected<std::unique_ptr<Archive>>
MachOUniversalBinary::getArchiveForArch(StringRef ArchName) const { MachOUniversalBinary::getArchiveForArch(StringRef ArchName) const {
Expected<ObjectForArch> O = getObjectForArch(ArchName); Expected<ObjectForArch> O = getObjectForArch(ArchName);
if (!O) if (!O)
return O.takeError(); return O.takeError();
return O->getAsArchive(); return O->getAsArchive();
} }